Home / 406,295,999.70-609,443,999.55-404,028,518.10

Finding the Fourth Proportional to 406,295,999.70, 609,443,999.55 and 404,028,518.10

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Solution

The fourth proportional to 406,295,999.70, 609,443,999.55 and 404,028,518.10 is: 606,042,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,295,999.70 : 609,443,999.55 = 404,028,518.10 : x
  2. Step 2: Convert to fraction form
    406,295,999.70/609,443,999.55 = 404,028,518.10/x
  3. Step 3: Cross multiply
    406,295,999.70x = 609,443,999.55 × 404,028,518.10
  4. Step 4: Simplify right side
    406,295,999.70x = 246,232,756,003,123,552
  5. Step 5: Solve for x
    x = 246,232,756,003,123,552/406,295,999.70
  6. Step 6: Final answer
    x = 606,042,777.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.